/ Dictionary / Index H Holy Grail: Meaning and Definition of Find definitions for: Ho'ly Grail' Pronunciation: [key] grail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Holy Ghost holy grass Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language